Cheapest one-way flights from London to Dublin in September from $107

AirHint found the following cheapest one-way flights from London (LCY) to Dublin (DUB) in September 2026 (see full year).

One-Way flights

08 Sep British Airways direct
03 Sep British Airways direct
10 Sep British Airways direct
25 Sep British Airways direct
09 Sep British Airways direct
21 Sep British Airways direct
14 Sep British Airways direct
18 Sep British Airways direct
07 Sep British Airways direct
20 Sep British Airways direct

Also check the deals for return flights from London to Dublin in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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